The '''Interactive Satellite for Art and Design Experimental Research''' or '''INVADER''', also known as '''Cubesat Oscar 77''' ('''CO-77''') and '''Artsat-1''' is an artificial satellite for artistic experiments in space. The satellite was built by the University of Tokyo
in collaboration with Tama Art University
. It has a size of 100x100x100mm (without antennas) and built around a standard 1U cubesat
bus. The primary satellite payload is an FM voice transmitter. Also, it includes low-resolution CMOS camera and thermochromic
panels for artistic purposes.
It was launched into orbit by a H-IIA
launch vehicle on 27 February 2014 as a sub-payload of Global Precipitation Measurement|GPM Core
It reentered Earth's atmosphere on 2 September 2014.